What’s Vulnerable › Vulnerabilities

CVE-2026-102296: ZoneMinder before 1.38.4 Buffer Overflow via HTTP Camera Response

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-28 · updated 2026-09-30
• Weakness: CWE-120

Description

ZoneMinder before 1.38.4 contains static buffer overflow vulnerabilities in RemoteCameraHttp::GetResponse() that allow malicious HTTP cameras or intercepting attackers to overflow fixed-size buffers by sending oversized response headers. Attackers can send crafted HTTP responses with oversized status messages, Connection headers, Content-Type values, or multipart boundaries to corrupt parser state and crash the capture process or corrupt memory.

Affected products

• zoneminder: before 1.38.4 — fixed in 1.38.4

How to fix

Upgrade to a fixed version: zoneminder 1.38.4. Check the vendor advisory for mitigations.

References

• https://github.com/ZoneMinder/zoneminder
• https://github.com/ZoneMinder/zoneminder/blob/1.38.3/src/zm_remote_camera_http.cpp#L736
• https://github.com/ZoneMinder/zoneminder/commit/2596e5fb64c0348e615577b0ab08dc38b6dc6ed8
• https://github.com/ZoneMinder/zoneminder/commit/813bf6f1a3ffc92c163352f2480477ba571fca5b
• https://github.com/ZoneMinder/zoneminder/releases/tag/1.38.4
• https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-93j4-rcp9-9jx6
• https://www.vulncheck.com/advisories/zoneminder-before-1.38.4-buffer-overflow-via-http-camera-response
• https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-93j4-rcp9-9jx6

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